RFR: 8256829: GNU hash style is not available on MIPS

[Ao Qi]

On Sun, 22 Nov 2020 14:19:04 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> For fun, I tried to build `linux-mips64el-zero-fastdebug`, and it cannot be built, because linker complains:
> 
> 
> collect2: error: ld returned 1 exit status
> 
> I believe it is a regression in 16, as GNU hash style was forced with [JDK-8200738](https://bugs.openjdk.java.net/browse/JDK-8200738). The way out is to special-case MIPS hash-style to `sysv`. This enumerates all MIPS targets that `make/autoconf/platform.m4` knows about.
> 
> Attention @DamonFool, who must be running into this problem for their MIPS builds?
> 
> Testing:
>  - [x] Linux mipsel zero fastdebug build (requires additional unrelated fixes)
>  - [x] Linux mips64el zero fastdebug build

@shipilev Thanks for fixing this! I am testing the patch with native builds. When there is a result, I will reply.

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PR: https://git.openjdk.java.net/jdk/pull/1374